6.76" x 2.74"

It does work, just missing remote. Works with app. This LED Matrix Panel is designed for use in cars and features a 4 letter capability for customization via apps. The window sign is illuminated by LED lights and measures 6.76″ x 2.74″. Made of plastic, this panel provides a personalized and eye-catching way to display information or messages while driving. Perfect for auto-related businesses like LYFT, UBER or TAXI’s or individuals looking to make a statement on the road. ** it is missing the remote control but can be controlled with the app on your phone**